CN214734928U

CN214734928U - Reverse osmosis membrane structure

Info

Publication number: CN214734928U
Application number: CN202121025713.5U
Authority: CN
Inventors: 郑锐; 曾祥孙; 孙昌梅
Original assignee: Wuxi Letou Water Purification Technology Co ltd
Current assignee: Wuxi Letou Water Purification Technology Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-11-16
Anticipated expiration: 2031-05-14

Abstract

The utility model provides a reverse osmosis membrane structure, which relates to the field of household tap water prefilters and comprises a shell, a central tube and a reverse osmosis membrane component, wherein the reverse osmosis membrane component comprises a water inlet grid, a reverse osmosis membrane, a polysulfone ultrafiltration membrane and a water production grid; through set up rearmounted purification structure outside the center tube to and set up the active carbon filter element pipe in the center tube inboard, utilize to carry thing filter element and active carbon filter element pipe and can carry out the second grade to the water source after the reverse osmosis membrane subassembly purifies and adsorb the edulcoration and filter, and then improve the water purification effect, through set up the filter screen cover on the shell of water inlet one end, preceding processing pipe and dirty groove of collection, can utilize the filter screen cover to carry out preliminary treatment filtration in earlier stage to intaking, avoid great impurity directly to get into the reverse osmosis membrane subassembly.

Description

Reverse osmosis membrane structure

Technical Field

The utility model relates to a leading filter field of domestic running water especially relates to a reverse osmosis membrane structure.

Background

The drinking water filter in the current market generally adopts a Reverse Osmosis (RO) membrane filtering structure, and the Reverse Osmosis (RO) membrane filtering structure can filter impurities such as inorganic salts, heavy metal ions, organic matters, colloids, bacteria, viruses and the like in raw water, so that the Reverse Osmosis (RO) membrane filtering structure is a core component of the drinking water filter, and the filtering effect of the drinking water filter is directly related to that of the Reverse Osmosis (RO) membrane filtering structure;

the existing reverse osmosis membrane structure is lack of a post-treatment structure and a pre-treatment structure, and the problem of poor filtering effect still exists after long-term use; therefore, the utility model provides a reverse osmosis membrane structure to solve the weak point among the prior art.

SUMMERY OF THE UTILITY MODEL

In order to the above problem, an object of the utility model is to provide a reverse osmosis membrane structure, through set up the rear purification structure in the center tube outside, and set up the active carbon filter element pipe in the center tube inboard, the water source after utilizing to carry thing filter element and active carbon filter element pipe to purify reverse osmosis membrane subassembly carries out the second grade and adsorbs the edulcoration and filter, and then improve the water purification effect, through set up the screen cloth cover on the shell of water inlet one end, preceding processing pipe and dirty groove of collection, can utilize the screen cloth cover to carry out preliminary treatment filtration to intaking, avoid great impurity directly to get into reverse osmosis membrane subassembly.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme realizes:

a reverse osmosis membrane structure comprises a shell, a central pipe and a reverse osmosis membrane component, wherein the central pipe is arranged at the middle position in the shell, and the central tube is provided with a penetration hole, the reverse osmosis membrane component is wound on the outer side of the central tube and comprises a water inlet grid, a reverse osmosis membrane, a polysulfone ultrafiltration membrane and a water production grid, the water inlet grid is arranged on the reverse osmosis membrane, the polysulfone ultrafiltration membrane is arranged on the other side of the reverse osmosis membrane, the water producing grid net is arranged on one side of the polysulfone ultrafiltration membrane, the outer side of the central tube is movably provided with a post-purification structure, the inner side of the central tube is movably provided with an active carbon filter element tube, the rear purification structure comprises a loading filter element, a sealing cover and active carbon, the inside hollow structure that is of year thing chimney filter, active carbon fills in hollow structure, it is equipped with the internal thread to carry thing chimney filter one end, sealed lid outer wall is equipped with the external screw thread with internal thread looks adaptation.

The further improvement lies in that: the inner side of the loading filter tube is equidistantly provided with elastic clamping blocks, the outer side of the central tube is provided with clamping grooves matched with the elastic clamping blocks, and two sides of each elastic clamping block are provided with sealing bulges.

The further improvement lies in that: the activated carbon filter core pipe outside equidistance is equipped with the locating piece, the center tube inboard is equipped with the constant head tank with locating piece looks adaptation, constant head tank and draw-in groove dislocation set.

The further improvement lies in that: one end of the shell is a water inlet, the other end of the shell is a concentrated water outlet, and the shell at one end of the concentrated water outlet is provided with a guide vane wheel in threaded connection.

The further improvement lies in that: the sewage treatment device is characterized in that a filter screen sleeve is clamped on the shell at one end of the water inlet, a pretreatment pipe is arranged on the outer side of the filter screen sleeve, one end of the pretreatment pipe is in threaded connection with the shell, and a sewage collection groove matched with the filter screen sleeve in position is formed in the inner side of the pretreatment pipe.

The further improvement lies in that: the sewage drainage device is characterized in that a sewage drainage pipe is arranged on the pretreatment pipe at the sewage collection tank, and a control valve is arranged on the sewage drainage pipe.

The utility model has the advantages that: through set up rearmounted purification structure outside the center tube, and set up the active carbon filter element pipe in the center tube inboard, the water source after utilizing to carry thing filter element and active carbon filter element pipe and can purifying reverse osmosis membrane subassembly carries out the second grade and adsorbs the edulcoration and filter, and then improve water purification effect, through set up the filter screen cover on the shell of water inlet one end, preceding processing pipe and dirty groove of collection, can utilize the filter screen cover to carry out preliminary treatment filtration in earlier stage to intaking, avoid great impurity directly to get into reverse osmosis membrane subassembly, thereby influence the life and the purifying effect of reverse osmosis membrane subassembly, and the dirty groove of collection can collect the impurity of filter screen cover interception.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the rear purifying structure assembly structure of the present invention;

FIG. 3 is a schematic side view of the central tube structure of the present invention;

FIG. 4 is a schematic view of the post-purification structure of the present invention;

FIG. 5 is a schematic view of a partial enlarged structure at A in FIG. 2 according to the present invention;

fig. 6 is a schematic sectional view of the structure of the pretreatment tube of the present invention.

Wherein: 1. a housing; 2. a central tube; 3. a water inlet grid; 4. a reverse osmosis membrane; 5. polysulfone ultrafiltration membranes; 6. a water producing grid; 7. an activated carbon filter element tube; 8. a loading filter tube; 9. a sealing cover; 10. activated carbon; 11. an elastic clamping block; 12. a card slot; 13. sealing the protrusion; 14. positioning blocks; 15. positioning a groove; 16. a guide vane wheel; 17. a filter screen sleeve; 18. a pre-treatment tube; 19. a sewage collecting tank; 20. a sewage draining pipe.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

Example one

According to fig. 1-5, this embodiment provides a reverse osmosis membrane structure, including shell 1, center tube 2 and reverse osmosis membrane module, center tube 2 sets up in the inside intermediate position department of shell 1, and is equipped with the infiltration hole on center tube 2, reverse osmosis membrane module coils in the center tube 2 outside, reverse osmosis membrane module includes into water graticule mesh 3, reverse osmosis membrane 4, polysulfone ultrafiltration membrane 5 and produce graticule mesh 6, into water graticule mesh 3 and set up in reverse osmosis membrane 4, polysulfone ultrafiltration membrane 5 sets up in reverse osmosis membrane 4 opposite side, polysulfone ultrafiltration membrane 5 can assist reverse osmosis membrane 4 in order to improve the purification ability, produce water graticule mesh 6 and set up in polysulfone ultrafiltration membrane 5 one side, the activity in the center tube 2 outside is equipped with rearmounted purification structure, the activity of center tube 2 is equipped with active carbon filter core pipe 7, rearmounted purification structure is including carrying thing filter tube 8, rearmounted purification structure, Sealed lid 9 and active carbon 10, carry the inside hollow structure that is of thing chimney filter 8, active carbon 10 fills in hollow structure, it is equipped with the internal thread to carry 8 one ends of thing chimney filter, sealed 9 outer walls of lid are equipped with the external screw thread with internal thread looks adaptation, through setting up sealed lid 9, can realize regularly clearing up the active carbon 10 who carries in the thing chimney filter 8.

Carry the inboard equidistance of thing chimney filter 8 and be equipped with elasticity fixture block 11, the 2 outsides of center tube are equipped with the draw-in groove 12 with 11 looks adaptations of elasticity fixture block, 11 both sides of elasticity fixture block are equipped with sealed arch 13, through setting up elasticity fixture block 11 and draw-in groove 12, can dismantle the thing chimney filter 8 from center tube 2 and wash.

Activated carbon filter core pipe 7 outside equidistance is equipped with locating

piece

14, 2 inboards of center tube are equipped with the constant head tank 15 with locating piece 14 looks adaptation, constant head tank 15 and draw-in groove 12 dislocation set up the dismantlement change that activated carbon filter core pipe 7 can be realized to locating piece 14 and draw-in groove 12.

Example two

According to fig. 1-6, this embodiment provides a reverse osmosis membrane structure, including shell 1, center tube 2 and reverse osmosis membrane module, center tube 2 sets up in the inside intermediate position department of shell 1, and is equipped with the infiltration hole on center tube 2, reverse osmosis membrane module coils in the center tube 2 outside, reverse osmosis membrane module includes into water graticule mesh 3, reverse osmosis membrane 4, polysulfone milipore filter 5 and produces water graticule mesh 6, into water graticule mesh 3 and set up in reverse osmosis membrane 4, polysulfone milipore filter 5 sets up in reverse osmosis membrane 4 opposite side, polysulfone milipore filter 5 can assist reverse osmosis membrane 4 in order to improve the purification ability, produce water graticule mesh 6 and set up in polysulfone milipore filter 5 one side, the activity in the center tube 2 outside is equipped with rearmounted purification structure, the activity of center tube 2 inboard is equipped with activated carbon filter core pipe 7, rearmounted purification structure includes year thing filter tube 8, rearmounted purification structure, Sealed lid 9 and active carbon 10, carry the inside hollow structure that is of thing chimney filter 8, active carbon 10 fills in hollow structure, it is equipped with the internal thread to carry 8 one ends of thing chimney filter, sealed 9 outer walls of lid are equipped with the external screw thread with internal thread looks adaptation, through setting up sealed lid 9, can realize regularly clearing up the active carbon 10 who carries in the thing chimney filter 8.

One end of the shell 1 is a water inlet, the other end of the shell is a concentrated water outlet, and the shell 1 at one end of the concentrated water outlet is connected with a guide vane wheel 16 through threads.

The joint has filter screen cover 17 on the shell 1 of water inlet one end, the filter screen cover 17 outside is equipped with pretreatment tube 18, pretreatment tube 18 one end and shell 1 threaded connection, pretreatment tube 18 inboard is equipped with the dirty groove 19 of collection with filter screen cover 17 position looks adaptation.

A sewage drainage pipe 20 is arranged on the pretreatment pipe 18 at the sewage collection groove 19, and a control valve is arranged on the sewage drainage pipe 20.

When the reverse osmosis membrane structure is used for water purification, household tap water firstly enters the pretreatment pipe 18, then large-particle impurities in the water are intercepted by the filter screen sleeve 17, the intercepted impurities fall into the sewage collecting groove 19 to be collected, then the tap water enters the reverse osmosis membrane component to complete purification, finally, the purified water enters the rear purification structure, is adsorbed and filtered by the active carbon 10, then enters the central pipe 2 from the penetration hole, then continues to enter the active carbon filter core pipe 7 to continue to be adsorbed and filtered, and finally is discharged from the central pipe 2.

Through set up rearmounted purification structure in the center tube 2 outside, and set up activated carbon filter core pipe 7 in the center tube 2 inboard, utilize and carry thing filter core 8 and activated carbon 10 and activated carbon filter core pipe 7 and can carry out the second grade to the water source after the reverse osmosis membrane subassembly purifies and adsorb the edulcoration and filter, and then improve water purification effect, through set up filter screen sleeve 17 on the shell 1 at water inlet one end, pretreatment pipe 18 and collection dirt groove 19, can utilize filter screen sleeve 17 to carry out preliminary treatment filtration in earlier stage to the intaking, avoid great impurity directly to get into reverse osmosis membrane subassembly, thereby influence reverse osmosis membrane subassembly's life and purifying effect, and the impurity that filter screen sleeve 17 intercepted can be collected to collection dirt groove 19.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a reverse osmosis membrane structure, includes shell (1), center tube (2) and reverse osmosis membrane subassembly, center tube (2) set up in the inside intermediate position department of shell (1), and are equipped with the infiltration hole on center tube (2), reverse osmosis membrane subassembly is convoluteed in the center tube (2) outside, its characterized in that: the reverse osmosis membrane component comprises a water inlet grid (3), a reverse osmosis membrane (4), a polysulfone ultrafiltration membrane (5) and a water production grid (6), the water inlet grid (3) is arranged on the reverse osmosis membrane (4), the polysulfone ultrafiltration membrane (5) is arranged on the other side of the reverse osmosis membrane (4), the water producing grid net (6) is arranged on one side of the polysulfone ultrafiltration membrane (5), the outer side of the central tube (2) is movably provided with a post-purification structure, the inner side of the central tube (2) is movably provided with an active carbon filter core tube (7), the post purification structure comprises a loading filter tube (8), a sealing cover (9) and active carbon (10), the inside of the loading filter tube (8) is of a hollow structure, the activated carbon (10) is filled in the hollow structure, one end of the loading filter tube (8) is provided with an internal thread, and the outer wall of the sealing cover (9) is provided with an external thread matched with the internal thread.

2. A reverse osmosis membrane structure according to claim 1 wherein: the inner side of the loading filter tube (8) is equidistantly provided with elastic clamping blocks (11), the outer side of the central tube (2) is provided with clamping grooves (12) matched with the elastic clamping blocks (11), and sealing bulges (13) are arranged on two sides of each elastic clamping block (11).

3. A reverse osmosis membrane structure according to claim 2, wherein: the activated carbon filter core pipe (7) outside equidistance is equipped with locating piece (14), center tube (2) inboard is equipped with constant head tank (15) with locating piece (14) looks adaptation, constant head tank (15) and draw-in groove (12) dislocation set.

4. A reverse osmosis membrane structure according to claim 1 wherein: one end of the shell (1) is a water inlet, the other end of the shell is a concentrated water outlet, and a diversion vane wheel (16) is connected to the shell (1) at one end of the concentrated water outlet in a threaded manner.

5. A reverse osmosis membrane structure according to claim 4, wherein: the joint has filter screen cover (17) on shell (1) of water inlet one end, filter screen cover (17) outside is equipped with preceding processing pipe (18), preceding processing pipe (18) one end and shell (1) threaded connection, preceding processing pipe (18) inboard is equipped with the dirty groove (19) of collection with filter screen cover (17) position looks adaptation.

6. A reverse osmosis membrane structure according to claim 5, wherein: a sewage drainage pipe (20) is arranged on the front treatment pipe (18) at the sewage collection groove (19), and a control valve is arranged on the sewage drainage pipe (20).